/**
 * Created by PanJiaChen on 16/11/18.
 */
import { Message, MessageBox } from 'element-ui'
/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
  url = url == null ? window.location.href : url
  const search = url.substring(url.lastIndexOf('?') + 1)
  const obj = {}
  const reg = /([^?&=]+)=([^?&=]*)/g
  search.replace(reg, (rs, $1, $2) => {
    const name = decodeURIComponent($1)
    let val = decodeURIComponent($2)
    val = String(val)
    obj[name] = val
    return rs
  })
  return obj
}

/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
  // returns the byte length of an utf8 string
  let s = str.length
  for (var i = str.length - 1; i >= 0; i--) {
    const code = str.charCodeAt(i)
    if (code > 0x7f && code <= 0x7ff) s++
    else if (code > 0x7ff && code <= 0xffff) s += 2
    if (code >= 0xDC00 && code <= 0xDFFF) i--
  }
  return s
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
  const newArray = []
  for (let i = 0; i < actual.length; i++) {
    if (actual[i]) {
      newArray.push(actual[i])
    }
  }
  return newArray
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
  if (!json) return ''
  return cleanArray(
    Object.keys(json).map(key => {
      if (json[key] === undefined) return ''
      return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
    })
  ).join('&')
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
  const div = document.createElement('div')
  div.innerHTML = val
  return div.textContent || div.innerText
}

/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
  if (typeof target !== 'object') {
    target = {}
  }
  if (Array.isArray(source)) {
    return source.slice()
  }
  Object.keys(source).forEach(property => {
    const sourceProperty = source[property]
    if (typeof sourceProperty === 'object') {
      target[property] = objectMerge(target[property], sourceProperty)
    } else {
      target[property] = sourceProperty
    }
  })
  return target
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
  if (!element || !className) {
    return
  }
  let classString = element.className
  const nameIndex = classString.indexOf(className)
  if (nameIndex === -1) {
    classString += '' + className
  } else {
    classString =
      classString.substr(0, nameIndex) +
      classString.substr(nameIndex + className.length)
  }
  element.className = classString
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
  if (type === 'start') {
    return new Date().getTime() - 3600 * 1000 * 24 * 90
  } else {
    return new Date(new Date().toDateString())
  }
}

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result

  const later = function() {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }

  return function(...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }

    return result
  }
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
  if (!source && typeof source !== 'object') {
    throw new Error('error arguments', 'deepClone')
  }
  const targetObj = source.constructor === Array ? [] : {}
  Object.keys(source).forEach(keys => {
    if (source[keys] && typeof source[keys] === 'object') {
      targetObj[keys] = deepClone(source[keys])
    } else {
      targetObj[keys] = source[keys]
    }
  })
  return targetObj
}

/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
  return Array.from(new Set(arr))
}

/**
 * @returns {string}
 */
export function createUniqueString() {
  const timestamp = +new Date() + ''
  const randomNum = parseInt((1 + Math.random()) * 65536) + ''
  return (+(randomNum + timestamp)).toString(32)
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
  return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
  if (!hasClass(ele, cls)) ele.className += ' ' + cls
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
  if (hasClass(ele, cls)) {
    const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
    ele.className = ele.className.replace(reg, ' ')
  }
}
/*
* 获取屏幕宽高
* */
export function getWindowSize () {
    const winSize = {
        winWidth: 0,
        winHeight: 0
    }
    if (window.innerWidth) {
        winSize.winWidth = window.innerWidth
    } else if ((document.body) && (document.body.clientWidth)) {
        winSize.winWidth = document.body.clientWidth
    }
    if (window.innerHeight) {
        winSize.winHeight = window.innerHeight
    } else if ((document.body) && (document.body.clientHeight)) {
        winSize.winHeight = document.body.clientHeight
    }
    if (document.documentElement && document.documentElement.clientHeight && document.documentElement.clientWidth) {
        winSize.winHeight = document.documentElement.clientHeight
        winSize.winWidth = document.documentElement.clientWidth
    }
    return winSize
}

/* 处理省市区 后台数据, 转化成tree 形式， 
data: [{
    name: '北京',
    id: 1,
    citys: [
      {
        id: 2,
        name: '北京',
        areas: [
          {
            name: '海淀区',
            id: 3
          }
        ]
      }
    ]
}]
*/
export const  doAreaAllData =  data => {
    let list = data || [], arr = []
    list.forEach(r => {
      let item = {}
      item = {
        id: r.name+'&'+r.id,
        name: r.name,
        type: 'p',
        pId: 0,
        pName: ''
      }
      if (r.citys && r.citys.length) {
          item.children = []
          r.citys.forEach(rr => {
             let items = {}
             items = {
               id:  r.name+'&'+r.id+'_'+rr.spell+'&'+rr.id,
               name: rr.spell,
               type: 'c',
               pId: r.id,
               pName: r.name
             }
             if (rr.areas && rr.areas.length) {
                  items.children = []
                  rr.areas.forEach(rrr => {
                    items.children.push(
                      {
                        id: r.name+'&'+r.id+'_'+rr.spell+'&'+rr.id+'_'+rrr.name+'&'+rrr.id,
                        name: rrr.name,
                        type: 'a',
                        pId: rr.id,
                        pName: rr.spell
                      }
                    )
                  })
             }
             item.children.push(items)
          })
      }
      arr.push(item)
    })
    return arr
}
// 获取 默认选中省市区id 
export const getAreaId = data => {
  let list = data || [], arr = []
  list.forEach(r => {
    if (r.citys && r.citys.length) {
        r.citys.forEach(rr => {
           if (rr.areas && rr.areas.length) {
                rr.areas.forEach(rrr => {
                  arr.push(r.name+'&'+r.id+'_'+rr.name+'&'+rr.id+'_'+rrr.name+'&'+rrr.id)
                })
           }
        })
    }
  })
  return arr
}
// 获取节点选中的数组 （需要转化成原来的格式）
export const doCheckData = data => {
   let arr = [], list = data, arrs = []
   arrs = list.filter(r => r.children && r.children.length)
   arrs.forEach(r => {

        let item = {
          id: r.id,
          name: r.name
        }
        if (r.children && r.children.length) {
          item.citys = []
          r.children.forEach(rr => {
              let items = {
                id: rr.id,
                name: rr.name
              }
              if (rr.children && rr.children.length) {
                  items.areas = []
                  rr.children.forEach(rrr => {
                    items.areas.push({
                      id: rrr.id,
                      name: rrr.name
                    })
                  })
              }
              item.citys.push(items)
          })
        }
        arr.push(item)
   })
   return arr
}
export const doCheckDatas = data => {
   let arr = [], arrO = [], list = data
   list.forEach((r, i) => {
      let a = r.split('_')
      if (arr.length == 0) {
         arr.push(a[0])
         arrO.push(
           {
             id: a[0].split('&')[1],
             name: a[0].split('&')[0],
             citys: [
               {
                 id: a[1].split('&')[1],
                 name: a[1].split('&')[0],
                 areas: [{
                    id: a[2].split('&')[1],
                    name: a[2].split('&')[0],
                 }]
               }
             ]
           })
      } else {
         if (!arr.includes(a[0])) {
            arr.push(a[0])
            arrO.push(
              {
                id: a[0].split('&')[1],
                name: a[0].split('&')[0],
                citys: [
                  {
                    id: a[1].split('&')[1],
                    name: a[1].split('&')[0],
                    areas: [{
                       id: a[2].split('&')[1],
                       name: a[2].split('&')[0],
                    }]
                  }
                ]
              })
         } else {
            let ct = arrO[arrO.length-1].citys[arrO[arrO.length-1].citys.length -1]
            if ((ct.name + '&' + ct.id) == a[1]) {
              arrO[arrO.length-1].citys[arrO[arrO.length-1].citys.length -1].areas.push({
                id: a[2].split('&')[1],
                name: a[2].split('&')[0]
              })
            } else {
              arrO[arrO.length-1].citys.push({
                  id: a[1].split('&')[1],
                  name: a[1].split('&')[0],
                  areas: [{
                      id: a[2].split('&')[1],
                      name: a[2].split('&')[0],
                  }]
              })
            }
         }
      }
   })
   return arrO
}
// 获取时间戳
export const getTimes = data => {
   return (new Date(data)).getTime()
}